Casio Calculator. Made from high-quality materials, this calculator is durable and built for everyday use. It features responsive keys and a clear display for easy reading. Designed to handle basic calculations efficiently, it offers convenient operation for studying, office work, and general calculation tasks. - Name: CASIO Calculator Model Dx-12B Black - Brand: CASIO - Unit Amount: 1 unit(s) How to Preserve: Store in a cool, dry place away from direct sunlight.